| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] [be] able [verb] | 1474 |
|
| 2 | [vb mod] [not/n't] [be] [verb] to | 813 |
|
| 3 | [vb mod] [be] able [verb] to | 123 |
|
| 4 | [vb mod] [not/n't] [be] able to | 89 |
|
| 5 | [not/n't] [be] able [verb] to | 33 |
|
